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CN-121993053-A - Recyclable drilling tool stabilizer of build-up welding type SL-HF3500 high wear-resistant alloy column

CN121993053ACN 121993053 ACN121993053 ACN 121993053ACN-121993053-A

Abstract

The invention relates to the technical field of drilling equipment, in particular to a recyclable drilling tool stabilizer of a build-up welding type SL-HF3500 high-wear-resistant alloy column, which comprises a stabilizer, wherein the outer side of the stabilizer and a spiral belt are integrally formed, one end of the spiral belt is further provided with a replaceable wear-resistant part sleeved on the outer side of the stabilizer, chip removal spiral grooves are formed between the spiral belts, a first SL-HF3500 cylindrical alloy block which is uniformly distributed is brazed inside one side of the spiral belt, the replaceable wear-resistant part comprises a wear-resistant cover body sleeved on the outer side of the stabilizer, a plurality of butt joint blocks are integrally arranged outside the wear-resistant cover body, second SL-HF3500 cylindrical alloy blocks which are uniformly distributed are brazed inside the butt joint blocks and the arc parts, the second SL-HF3500 cylindrical alloy blocks are arranged inside the arc parts outside the wear-resistant cover body and the butt joint blocks, the stress surface is effectively supported through the alloy blocks, and the normal operation of the stabilizer is ensured in the welding process of the second SL-HF3500 cylindrical alloy blocks and the wear-resistant cover body and the butt joint blocks, and the service life of the stabilizer is effectively prolonged.

Inventors

  • ZHANG PENGZHUAN
  • CUI RUI
  • LIU YIPING
  • XU YANCHAO
  • ZHANG FUPING
  • YANG LI
  • LIU HAO
  • ZHANG QINGMING

Assignees

  • 河南神龙石油钻具有限公司

Dates

Publication Date
20260508
Application Date
20260402

Claims (7)

  1. 1. A recyclable drilling tool stabilizer of a build-up welding type SL-HF3500 high wear-resistant alloy column is characterized in that: Comprises a stabilizer (1), a spiral belt (2) and a chip removal spiral groove (5); The outer side of the stabilizer (1) and the spiral belt (2) are integrally formed, and one end of the spiral belt (2) is also provided with a replaceable wear-resistant piece (4) sleeved on the outer side of the stabilizer (1); The spiral belts (2) are arranged in a plurality, chip removal spiral grooves (5) are formed among the spiral belts (2), and first SL-HF3500 cylindrical alloy blocks (3) which are uniformly distributed are brazed inside one side of each spiral belt (2); the replaceable wear-resistant piece (4) comprises a wear-resistant cover body (401) sleeved on the outer side of the stabilizer (1), a plurality of butt joint blocks (408) are integrally arranged on the outer side of the wear-resistant cover body (401), and an arc-shaped part (402) is integrally formed on one side of each butt joint block (408); The butt joint block (408) and the inner part of the arc-shaped part (402) are brazed with second SL-HF3500 cylindrical alloy blocks (403) which are uniformly distributed; The outer sides of the wear-resistant cover bodies (401) are provided with positioning holes (406), positioning bolts (407) are arranged in the positioning holes (406), and the positioning bolts (407) penetrate through the positioning holes (406) and are fixedly connected with the stabilizer (1); The upper part of the wear-resistant cover body (401) is fixedly connected with a positioning block (404) and a positioning piece (405) which are alternately arranged and distributed in a circular track, and the positioning pieces (405) are inserted into the spiral belt (2).
  2. 2. The recyclable drilling tool stabilizer for the build-up welding type SL-HF3500 high wear resistant alloy column of claim 1 wherein the first SL-HF3500 cylindrical alloy block (3) and the second SL-HF3500 cylindrical alloy block (403) are arranged in an arc surface at one end far away from the stabilizer (1).
  3. 3. The recyclable drilling tool stabilizer for the build-up welding type SL-HF3500 high wear resistant alloy column of claim 1 wherein the positioning block (404) is arranged in a 1/2 disc shape, the positioning block (404) is arranged in a convex shape, and the positioning block (404) is embedded in a groove body where the chip removal spiral groove (5) is located.
  4. 4. The build-up welding type SL-HF3500 high wear resistant alloy column recyclable drilling tool stabilizer of claim 1 wherein the arc shaped portion (402) is provided with an arc surface.
  5. 5. The recyclable drilling tool stabilizer for the build-up welding type SL-HF3500 high wear resistant alloy column of claim 1 wherein the positioning piece (405) comprises a positioning frame (4051) integrally formed with the wear resistant cover body (401), detection grooves (4052) are formed in the positioning frame (4051), a control module (4053) is arranged in the detection grooves (4052), and a temperature detector (4054) for detecting the temperature of the arc-shaped part (402) and a vibration detector (4055) for detecting the vibration condition of the arc-shaped part (402) are arranged on one side of the control module (4053).
  6. 6. The recyclable drilling tool stabilizer for the build-up welding type SL-HF3500 high wear resistant alloy column of claim 5 wherein a sealing pad (4056) is arranged above the control module (4053), and the outer side of the sealing pad (4056) is attached to the inner wall of the detection groove (4052).
  7. 7. The recyclable drilling tool stabilizer for the build-up welding type SL-HF3500 high wear resistant alloy column of claim 1 wherein heat exchange grooves (6) are formed in two sides of a groove body where the chip removal spiral groove (5) is located, the heat exchange grooves (6) are formed in the side face of the spiral belt (2), and the heat exchange grooves (6) are formed in two sides of the positioning piece (405).

Description

Recyclable drilling tool stabilizer of build-up welding type SL-HF3500 high wear-resistant alloy column Technical Field The invention relates to the technical field of drilling equipment, in particular to a recyclable drilling tool stabilizer of a build-up welding type SL-HF3500 high-wear-resistant alloy column. Background The stabilizer is also called a centralizer, is a core tool for stabilizing a downhole drilling tool and playing an anti-inclination role, is usually connected to a drill string close to a large-diameter drilling tool, is mainly used for stabilizing the drilling direction, and is key equipment for preventing well inclination change in petroleum, natural gas and geological exploration drilling engineering. In the prior art, the problem of insufficient welding bonding strength of the spiral wear-resistant belt of the conventional drilling tool stabilizer is solved by brazing the HF4000 alloy sheet outside the spiral wear-resistant belt. In a severe underground working environment, the structure still has obvious short plates, particularly the cutting edge part of the spiral belt facing the underground, which is used as a main stress surface in working, because the abrasion resistance of the stabilizer body material is poor, the stabilizer body material is easy to be eroded and damaged after being eroded by underground medium for a long time, the alloy column with exposed side edges is not protected, and the alloy column and the body are only in slight interference fit, and are extremely easy to be eroded or broken after losing protection, so that the service life of the stabilizer is greatly shortened, the stabilizer is scrapped in advance, and underground accidents can be caused in severe cases, therefore, the recyclable drilling tool stabilizer of the surfacing type SL-HF3500 high abrasion resistant alloy column is provided for the problems. Disclosure of Invention The invention aims to provide a recyclable drilling tool stabilizer for a build-up welding type SL-HF3500 high wear-resistant alloy column, which solves the problems in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: As an alternative scheme of the recyclable drilling tool stabilizer of the build-up welding type SL-HF3500 high wear-resistant alloy column, the recyclable drilling tool stabilizer of the build-up welding type SL-HF3500 high wear-resistant alloy column comprises a stabilizer, a spiral belt and a chip removal spiral groove; The outer side of the stabilizer and the spiral belt are integrally formed, and one end of the spiral belt is also provided with a replaceable wear-resistant piece sleeved on the outer side of the stabilizer; The spiral belts are arranged in a plurality of ways, chip removal spiral grooves are formed among the spiral belts, and first SL-HF3500 cylindrical alloy blocks which are uniformly distributed are brazed inside one side of each spiral belt; the replaceable wear-resistant part comprises a wear-resistant cover body sleeved on the outer side of the stabilizer, a plurality of butt joint blocks are integrally arranged on the outer side of the wear-resistant cover body, and an arc-shaped part is integrally formed on one side of each butt joint block; The butt joint block and the inner part of the arc-shaped part are brazed with second SL-HF3500 cylindrical alloy blocks which are uniformly distributed; The outer sides of the wear-resistant cover bodies are provided with positioning holes, positioning bolts are arranged in the positioning holes, and the positioning bolts penetrate through the positioning holes and are fixedly connected with the stabilizer; The upper part of the wear-resistant cover body is fixedly connected with positioning blocks and positioning pieces which are alternately arranged and distributed in a circular track, and the positioning pieces are inserted into the spiral belt. As an alternative scheme of the recyclable drilling tool stabilizer of the build-up welding type SL-HF3500 high wear-resistant alloy column, the first SL-HF3500 cylindrical alloy block and the second SL-HF3500 cylindrical alloy block are arranged in an arc surface manner at one end far away from the stabilizer. As an alternative scheme of the recyclable drilling tool stabilizer of the build-up welding type SL-HF3500 high wear-resistant alloy column, the invention comprises a positioning block which is arranged in a 1/2 disc shape and is arranged in a convex shape, and the positioning block is embedded in a groove body where a chip removal spiral groove is positioned. As an alternative scheme of the recyclable drilling tool stabilizer of the build-up welding type SL-HF3500 high wear-resistant alloy column, the invention is characterized in that the surface of the arc-shaped part is arranged in an arc shape. The stabilizer is also called a centralizer, is used for stabilizing a downhole drilling tool, is a core tool for playing an anti-